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Finding the Fourth Proportional to 107,701.59, 148,648.13 and 62,379.56

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Solution

The fourth proportional to 107,701.59, 148,648.13 and 62,379.56 is: 86,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,701.59 : 148,648.13 = 62,379.56 : x
  2. Step 2: Convert to fraction form
    107,701.59/148,648.13 = 62,379.56/x
  3. Step 3: Cross multiply
    107,701.59x = 148,648.13 × 62,379.56
  4. Step 4: Simplify right side
    107,701.59x = 9,272,604,968.87
  5. Step 5: Solve for x
    x = 9,272,604,968.87/107,701.59
  6. Step 6: Final answer
    x = 86,095.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.